Hello, On Fri, Feb 08, 2019 at 10:05:50AM +0000, Patrick Bellasi wrote: > a) are available only for non-root nodes, both on default and legacy > hierarchies, while system wide clamps are defined by a generic > interface which does not depends on cgroups > > b) do not enforce any constraints and/or dependencies between the parent > and its child nodes, thus relying: > - on permission settings defined by the system management software, > to define if subgroups can configure their clamp values > - on the delegation model, to ensure that effective clamps are > updated to consider both subgroup requests and parent group > constraints I'm not sure about this hierarchical behavior. > c) have higher priority than task-specific clamps, defined via > sched_setattr(), thus allowing to control and restrict task requests and I have some other concerns about the interface, but let's discuss them once the !cgroup portion is settled. Thanks. -- tejun
